Bullet

A bullet, or bullet workout, is a workout that was clocked as the best time for a certain distance on a given day.

Bute

Shortened word for phenylbutazone, the common non-steroidal medication legal at most racetrack.

Minus Pool

A pari-mutuel pool – typically a show pool - where one horse is so heavily bet that after deductions there is not enough money left to cover the prescribed minimum on each bet.